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7-5 - WINNER! Djokovic goes for the barn-storming finish with a backhand winner drilled straight down the line on his first match point. But the Serb instead hits into the net and has to settle for the win on the second attempt when Kubot hits his return of serve into the net

6-5 - Djokovic breaks at the first opportunity when Kubot's nerve lets him down and the Pole slams down a double fault. So a complete turnaround for the world number three who will have a chance, after the change of ends, to serve out the match

5-5 - A much better service game from Djokovic as he holds to 15 when Kubot sends a forehand return into the net

4-5 - Kubot holds once again, to 30, when an increasingly negative Djokovic slaps another forehand long of the baseline. The Serb will have to serve to stay in this third set after the change of ends

4-4 - Djokovic sneaks through a service hold from deuce when Kubot clatters an attempt forehand down the line into the sponsors board on the edge of the net. But it's not comfortable for the Serbian third seed at this stage

3-4 - Kubot finds his second ace of the match, a 189km/h bullet fired out wide, to hold to 30 and cause Djokovic a few headaches. The Serb will not want to drop a set in this match and needs to up his level noce again pretty quickly if he is to wrap this up in straight sets

3-3 - KUBOT BREAKS! A neat bit of net play from the Pole as Djokovic suffers a slight lapse in concentration and Kubot snatches the break with a backhand volley into the open court after drawing Djokovic wide

3-2 - Djokovic gets incredibly lucky as his forehand hits the top of the tape and literally rolls over the net. And it brings up two break points. The first goes begging as Kubot comes up with a forehand winner ripped straight down the line. But the Pole double faults on the second and Djokovic has the break

2-2 - Kubot slaps a forehand well long of the baseline line as Djokovic cruises through another service hold that allows him to level up once more

1-2 - Much better from Kubot as he holds to 15, even throwing in his first ace of the match, and sealing it when Djokovic drills a forehand return of serve long of the baseline

1-1 - Djokovic levels up with a service hold to love, concluding with an ace straight down the centre of the court

0-1 - Kubot, just like in the second set, opens the third set with a solid service hold to 30 when Djokovic sprays a forehand return of serve well long of the baseline

6-2 - Sure enough Djokovic does wrap up the second set at the first attempt, despite Kubot being in a position to win the rally, when the Pole drills his backhand passing shot wide across court off a much shorter ball

5-2 - Djokovic squanders a first break point with a backhand return into the net but does grab the double break at the second attempt when Kubot fires long of the baseline with a cross court forehand. Djokovic will serve for the second set after the change of ends

4-2 - Djokovic holds to consolidate the break, firing down four solid first serves that he simply needs to follow up with a steady ground-stroke leaving Kubot well out of position

3-2 - Kubot comes up with a shocking smash into the net to help Djokovic out to a 0-30 lead and almost misses another wide just two points later. He lands the second one despite hitting the ball with the top of the frame but it doesn't really help as a backhand volley wide hands Djokovic a break point, which the Serb takes full advantage of out-maneouvring Kubot on the baseline and producing a forehand winner to seal the game

2-2 - Djokovic is just racing through his service games to keep all the pressure on Kubot. The Serb has just four aces to his name so far but is winning an incredible 81 per cent of points behind his first serve and 82 per cent of points behind his second

1-2 - Another solid hold from Kubot as Djokovic sends a backhand return of serve into the net on the Pole's first game point. There's a slight disagreement during the game between the Serb and the umpire as Djkovic correctly challenges an out call (on the crowds advice) before informing the umpire that he should give some kind of answer as to whether the ball looked close to the line or not, when questioned by the players. It's only a minor quibble though!

1-1 - Djokovic fires an ace down the centre of the court on his way to two game points before securing the hold when Kubot sends his attempted backhand passing shot down the line well wide

0-1 - Kubot holds to 30 for the opening game of the second set when Djokovic drills a forehand long of the baseline up the centre of the court

6-1 - Kubot saves a first set point for Djokovic with a solid forehand winner across court, and also a second when Djokovic hits into the net. But there is nothing the Pole can do about the third as Djokovic fires down an ace out wide with heaps of spin on it to seal a very impressive first set in just under half an hour

5-1 - Djokovic breaks for a second time, outhitting Kubot on the baseline and sealing the break with a forehand winner. The Serb now will serve for the first set

4-1 - Djokovic once again eases through a comfortable service game to consolidate the break, he simply has too much firepower for Kubot so far

3-1 - Djokovic grabs his first break of the match, drilling another passing shot (this time a cross court forehand) over the net and past the flailing Kubot

2-1 - Djokovic is looking very sharp as he moves serenly through another service hold, along the way finding a blistering forehand passing shot winner down the line to beat the approaching Kubot

1-1 - A good hold for Kubot as well to open up his account in this match with the Pole, an experienced doubles player, working his way into the net at every opportunity and enjoying some success from that position

1-0 - A very confident, easy opening hold for Djokovic as he seals the first game with a backhand winner down the line after a solid serve

0-0 - The players are ready to go with Novak Djokovic to open the clash by serving first ...

03:21 - These two have met just the once before, in the Belgrade final last year, with Djokovic winning in two fairly comfortable sets - 6-3 7-6. The clash was on clay and so doesn't have too much relevance today but that said, it would obviously be a massive shock if Djokovic were not to come through this match as the winner

03:08 - Hello and welcome to this fourth round clash between Serbian third seed Novak Djokovic and Poland's Lukasz Kubot